.add-button {
    background-color: #4CAF50;
    color: white;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
}

.add-button:hover {
    background-color: #45a049;
}

button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

.return-button {
    width: 100%;
    padding: 8px;
    background: #95a5a6;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.return-button:hover {
    background: #7f8c8d;
} 